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It is written in CISCO CCNP book that if we want to use the default-network command for flagging a network as a gateway of last resort to be advertised in EIGRP, it must be classful.I tried this command on a subnet (5.0.0.0/30) and was surprised to s...

daudparvez by Level 1
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simple dot1q trunk but has me stumped, GE0/0 on the 3850 2 sub-int vlan10 vlan11 to GE1/0/1 switch port mode trunk. on the 3850 vlan interfaces protocol won't come up, if i switch to NM-16ESW-1GIG with switchport mode trunk protocol comes up, i have ...

Quick description of setup: 4 Sites on different networks (e.g. 192.168.1.0, 192.168.2.0 ...)Connected through MPLS thus devices directly communicated with each other across networks.Each site has a Cisco RouterSwitches in sites are non-cisco but int...

Hi All,   I am hoping someone here can help me get a LACP connection up with a Synology NAS device. I have a Synology RS3617RPxs with a E10G17-F2 Dual SFP+ card in it. i have the two ports running to a Cisco 3850-24XS switch. I create the BOND in the...

Hi I am unboxing 2x cartons of C4510RE chassis and find this booting up fault consistently appearing in both chassis.    Has anyone encountered this before ?   Please find attached logs. Thank you and Good Day!

jacobxu80 by Level 1
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I have 2 3750 Stacked and was working properly. Recently we had a power problem and power was lost to both switches simultaneously,when power was restored both switches lost their configuration, as if they are new or factory reset.I had to reconfigur...

Resolved! 10Gb Adapter

I would like to connect apple computers to Cisco Nexus 3172 10Gb Copper switches.  Does Cisco recommend any any special 10Gb adapter or any standard 10Gb adapter would work?   Thanks,    

abbasali5 by Level 1
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  • 1 replies
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Resolved! L2 vs L3 switching

Hello   Do I need a L-3 swich or L-2 for the following setup?     2 switches that are stacked, have multiple VLANs (combination of computers and trunked ESXi are connected to the switches), and one uplink port that's trunked (VLANs are trunked to thi...

asanew123 by Level 1
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  • 3 replies
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Hello,Please currently i'm looking for implementing a solution dual homing for the uplinks between the optical line networks (OLT) and two equipements Metro ethernet (ME).Between OLT and ME, it's a layer 2 so we use only Vlans to send the traffic of ...

Amouna by Level 1
  • 1917 Views
  • 6 replies
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Hi everyone I have to remove the routing from our 3850 switch to the 2921 router, I want to remove the BGP and I wanted to know can you tell me what commands should I use to completely remove it from the switch to add it to the router, below is the c...

scooter817 by Level 2
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  • 3 replies
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I have a 2811 router that clients are unable to access external websites.  This was previously working and I'm not sure what could have changed.  I'm able to ping all sites such as espn.com, etc. but I cannot get to them through web browser.  Even if...

Th3cart3r by Level 1
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  • 0 Helpful votes